Rob Kardashian reveals 'motivation' behind his weight lossWashington DC, Apr 12(AZINS) Rob Kardashian, who now-a-days is focused on putting in the work to shed his extra weight, has credited fiancee Blac Chyna for being the "motivation" behind it.

The 29-year-old reality star took to Instagram to speak about his weight loss and happiness on finding his motivation, reports E! Online. "Looking from where I started 298lbs to my current weight now 248.4lbs. I'm focused and determined to reach my goal weight 200-205lbs .... Happy I found my motivation." he wrote beside a photo of him and Chyna.

Meanwhile, the 27-year-old model took to Snapchat last week to reveal that she is "getting Rob ready" for her birthday on May 11. Recording a video of the Kardashian boy as he stepped on the scale to show his current weight, scale shows 248.4 pounds, Chyna explained that she is going to train her man almost every day for next five weeks to reach his target weight.